Specifications:There is a charging box that allows you to carry earphones anywhere without worrying about charging.It adopts bluetooth-compatible 5.0 smart chip and can bring you stereo music without delay.Function: binaural call, automatic connection, life waterproof, intelligent noise reduction, HiFi sound quality.Compatible system: tablet, computer, for Android, for iPhone.Item Name: Wireless EarphonesMaterial: ABSBluetooth Version: V5.0 + EDRTransmission Distance: 10mCharging Time: about 1 HourStandby Time: about 120 HoursPlay Time: about 4 HoursCharging Box Battery Capacity: 350mAh (Included)Features: bluetooth-compatible 5.0, Noise Canceling, with Charging BoxCharging Box Size: 6.4cm x 4.2cm x 2.8cm/2.52" x 1.65" x 1.1" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 x Wireless Earphones (Left + Right)1 x Charging Box1 x USB Charging Cable1 x User Manual